I try to provide a little background in my posts, but page space, like Sunset Park rental units, is at a premium. And let’s face it–nobody likes to scroll down too far these days. In the spirit of informed readership, I’ve pointed the way to where you might find some of the basic research that puts stories in perspective. This week? Some data about New York’s transport system. Click on the facts. They take you to the source.

Space, movement, buildings and traffic all matter to Brooklynites, who call the city’s densest neighborhood home. Here’s how the city gets from A to B.